we not only have doctor peter piot, the founder of the united nations a program, but we have the current director with us as well. we have a true continuity that stands for several decades. and i think you'll have a lively and fantastic conversation. what brings us here today is "no time to lose", a life in pursuit of deadly viruses, doctor peter piot's memoir. it is not an attempt to write history of anything. but rather an attempt to describe how the world in the history developed through the eyes of a key player who is really on the front lines of each individual step along the way. because the memoir is far more accessible, it goes through an adventure cycle. i suspect it will be a recruiting device for the next generation of epidemiologists and specialist in public health leaders. because it makes it seem like one of the most fun things you can possibly do with your life. many of the events that peter described we experienced at the same time, but from a different perspective. we were both on the front lines watching a new disease unfolds, which later came to be known as aids. we bo